How many holes can be produced in perforation of thin sheets using EBM

1.	How many holes can be produced in perforation of thin sheets using EBM?
A.	10<sup>1</sup> to 10<sup>2</sup>
B.	10<sup>2</sup> to 10<sup>3</sup>
C.	10<sup>3</sup> to 10<sup>4</sup>
D.	10<sup>4</sup> to 10<sup>5</sup>
Answer» E.

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